"0x7e" Stop error when you run SMB direct stress in Windows Server 2012 R2 Content provided by Microsoft Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 EssentialsWindows Server 2012 R2 FoundationWindows Server 2012 R2 Standard More Select Product Version All Products Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm. Symptoms This issue occurs when server message block (SMB) does not allocate an I/O work item in Windows Server 2012 R2. Additionally, you receive the following Stop error: STOP: 0x0000007E (parameter1, parameter2, parameter3, parameter4) NotesThe Stop error 0x0000007E describes a SYSTEM_THREAD_EXCEPTION_NOT_HANDLED issue.The parameters in this Stop error message vary, and depend on the configuration of the computer.Not all "0x0000007E" Stop errors are caused by this issue. Resolution To resolve this issue, install update 2955164. For more information about how to obtain update 2955164, click the following article number to view the article in the Microsoft Knowledge Base:2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014 Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. More Information For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: 824684 Description of the standard terminology that is used to describe Microsoft software updates Last Updated: Oct 9, 2014 Did this solve your problem? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.